Tim Burton says it felt like being in “a time warp” to see actor Michael Keaton walk onto his film set dressed as Beetlejuice – 36 years after shooting the original.

Speaking to Sky News, at the London premiere of the long-awaited sequel to his cult classic, the director explained how Keaton “didn’t rehearse anything” before they went on set.

“He just shows up and starts doing it, all that demon possession, it was like going into a time warp!”

While the director has made far more…